Triple

T23317175
Position Surface form Disambiguated ID Type / Status
Subject Roanoke station E590740 entity
Predicate precededByStationOnNortheastRegional P151840 FINISHED
Object Lynchburg station
Lynchburg station is an Amtrak passenger rail station in Lynchburg, Virginia, serving as a regional hub for intercity train service.
E1580960 NE FINISHED

How this triple was built (5 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Lynchburg station | Statement: [Roanoke station, precededByStationOnNortheastRegional, Lynchburg station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Lynchburg station
Context triple: [Roanoke station, precededByStationOnNortheastRegional, Lynchburg station]
  • A. Charlottesville station
    Charlottesville station is a passenger rail station in Charlottesville, Virginia, that serves as a regional transportation hub for Amtrak services in the area.
  • B. Roanoke station
    Roanoke station is a passenger rail station in Roanoke, Virginia, serving as an Amtrak stop and regional transportation hub in the state's rail network.
  • C. Cumberland station
    Cumberland station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city's Northwest Side and nearby suburbs with park-and-ride access to O'Hare International Airport and downtown Chicago.
  • D. Greensboro Station
    Greensboro Station is a Washington Metro Silver Line station serving the Tysons area of Fairfax County, Virginia.
  • E. Richmond station
    Richmond station is a major Bay Area Rapid Transit (BART) and Amtrak intermodal rail hub located in Richmond, California.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Lynchburg station
Triple: [Roanoke station, precededByStationOnNortheastRegional, Lynchburg station]
Generated description
Lynchburg station is an Amtrak passenger rail station in Lynchburg, Virginia, serving as a regional hub for intercity train service.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Lynchburg station
Target entity description: Lynchburg station is an Amtrak passenger rail station in Lynchburg, Virginia, serving as a regional hub for intercity train service.
  • A. Charlottesville station
    Charlottesville station is a passenger rail station in Charlottesville, Virginia, that serves as a regional transportation hub for Amtrak services in the area.
  • B. Roanoke station
    Roanoke station is a passenger rail station in Roanoke, Virginia, serving as an Amtrak stop and regional transportation hub in the state's rail network.
  • C. Cumberland station
    Cumberland station is a Chicago Transit Authority rapid transit stop on the Blue Line serving the city's Northwest Side and nearby suburbs with park-and-ride access to O'Hare International Airport and downtown Chicago.
  • D. Greensboro Station
    Greensboro Station is a Washington Metro Silver Line station serving the Tysons area of Fairfax County, Virginia.
  • E. Richmond station
    Richmond station is a major Bay Area Rapid Transit (BART) and Amtrak intermodal rail hub located in Richmond, California.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: precededByStationOnNortheastRegional
Context triple: [Roanoke station, precededByStationOnNortheastRegional, Lynchburg station]
  • A. precedingStation
    Indicates that one station is located immediately before another station in a route or sequence.
  • B. previousStationOnLine1Northbound
    Indicates that one station is immediately before another station when traveling northbound on line 1.
  • C. hasAdjacentStationOnNorthCentralService
    Indicates that one station is directly next to another station along the North Central Service line.
  • D. adjacentStationNorth
    Indicates that one station is directly adjacent to another station to its north.
  • E. precedingStationTowards
    Indicates that one station is immediately before another station along a specified direction or route toward a given destination.
  • F. None of above. chosen

Provenance (7 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69e25d1d32188190948eb76909d1dcc3 completed April 17, 2026, 4:17 p.m.
NER Named-entity recognition batch_69f197828c408190ae071624e40de4cc completed April 29, 2026, 5:30 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0c4ca60aac819088dafd529a37d2e3 completed May 19, 2026, 11:42 a.m.
NEDg Description generation batch_6a0c4f37e390819083df9a959acf3a32 completed May 19, 2026, 11:53 a.m.
NED2 Entity disambiguation (via description) batch_6a0c4fdafde88190a7ac791189acde68 completed May 19, 2026, 11:56 a.m.
PD Predicate disambiguation batch_69effcf8ca2c8190887d4f4656617d21 completed April 28, 2026, 12:19 a.m.
PDg Predicate description generation batch_69f01d88b4ec8190a2a17a88e0eda178 completed April 28, 2026, 2:38 a.m.
Created at: April 17, 2026, 5:06 p.m.